where it is asif the summary.lm(m) statement never occurred. If I put in a statement print(m) it works, but the summary.lm(m) does not work.
Now here's what's weird: Suppose I remove the statement that comes AFTER this summary.lm(m) statement. That is, I don't say details = summary.lm(m) as the last line of the function. In this case, the program works fine!
I'm most confused. I can't see how putting in an assignment statement AFTER a function call can contaminate a PREVIOUS statement. I would be most happy if you could guide me...
See the FAQ about summary() methods, and what they do.
http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why%20is%20the%20output%20not%20printed%20when%20I%20source()%20a%20file%3f
Cheers
Jason
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